5V Relay Module (Single, 2 & 4 Channel) for Arduino, ESP32, Raspberry Pi & IoT Projects
Control AC and DC electrical devices with the 5V Relay Module, available in Single Channel, 2 Channel, and 4 Channel variants. Compatible with Arduino, ESP32, Raspberry Pi, NodeMCU, and STM32, these relay modules are ideal for home automation, robotics, IoT, industrial control, and embedded electronics projects. Built for reliable switching performance with easy GPIO interfacing, they are suitable for both beginners and professionals.
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5V Relay Module for Arduino, ESP32 & Raspberry Pi
The 5V Relay Module is a reliable switching solution designed for controlling high-voltage AC and DC appliances using low-voltage microcontrollers. Available in Single Channel, 2 Channel, and 4 Channel variants, these relay modules are suitable for a wide range of electronics, IoT, automation, and robotics applications.
Compatible with Arduino, ESP32, Raspberry Pi, NodeMCU, STM32, and other development boards, the module enables safe switching of electrical devices such as lights, fans, pumps, motors, and other household or industrial equipment.
Featuring onboard relay drivers, status LEDs, and a compact PCB design, these relay modules are easy to interface and provide stable performance for beginners, students, makers, engineers, and professionals.
Key Features
- Available in Single, 2 Channel, and 4 Channel variants
- Compatible with Arduino, ESP32, Raspberry Pi, NodeMCU, and STM32
- Controls AC and DC electrical loads
- Reliable electromagnetic relay switching
- LED indicators for power and relay status
- Compact PCB with easy GPIO interface
- Suitable for automation and IoT applications
- Easy integration with microcontrollers
- Ideal for DIY electronics and embedded systems
Available Variants
| Variant | Suitable For |
|---|---|
| Single Channel | Controlling one electrical device |
| 2 Channel | Independent control of two devices |
| 4 Channel | Home automation and multi-device control |
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | 5V Relay Module |
| Available Variants | Single Channel, 2 Channel, 4 Channel |
| Relay Voltage | 5V DC |
| Trigger Voltage | 5V Logic (Model dependent) |
| Maximum AC Load | 250V AC, 10A |
| Maximum DC Load | 30V DC, 10A |
| Interface | Digital GPIO |
| Compatibility | Arduino, ESP32, Raspberry Pi, NodeMCU, STM32 |
| Indicators | Power LED & Relay Status LED |
Applications
- Home Automation
- Smart Lighting Control
- Motor Control
- Water Pump Automation
- Fan Control
- Industrial Automation
- IoT Projects
- Robotics Projects
- Security Systems
- Embedded Electronics
- Smart Agriculture
- Remote Switching Systems
Package Includes
- 1 × Selected 5V Relay Module
- Single Channel or
- 2 Channel or
- 4 Channel (depending on the selected variant)
Why Buy from Horizocart?
- Quality-tested electronic modules
- Reliable switching performance
- Secure packaging
- Fast shipping across India
- Technical support
- Suitable for students, makers, engineers, and professionals
Frequently Asked Questions
Q. Is this compatible with Arduino Uno?
Yes. All variants are compatible with Arduino Uno and other Arduino development boards.
Q. Can I use it with ESP32?
Yes. The relay module supports ESP32 GPIO control. Ensure the trigger voltage matches your board's logic level if required.
Q. Can this control AC appliances?
Yes. The module supports switching AC loads up to 250V AC, 10A when used within its specifications and following proper electrical safety practices.
Q. Which variant should I choose?
- Single Channel – One device
- 2 Channel – Two independent devices
- 4 Channel – Four independent devices
Q. Is it suitable for home automation?
Yes. It is commonly used in smart home, automation, and IoT projects.
